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Journal of System Simulation

Abstract

Abstract: Targeting the problem that nonplanar fully-actuated unmanned aerial vehicles (UAVs) are susceptible to external winds and unmodeled dynamics, the predictive control system with good robustness is designed. A nonlinear motion model with six degrees of freedom is established through the Newton-Euler approach. A linear extended state observer is designed to estimate the state variables by transforming the system affected by matched and unmatched disturbances into an equivalent system only affected by the matched disturbances. A predictive controller is designed for the equivalent system to reduce the output oscillation and input surging and a disturbance compensator is also designed to improve the system robustness. Simulation results show that, compared to the conventional nonlinear dynamic inverse control method, the proposed algorithm-based closed-loop system has the stronger antiinterference capability and higher trajectory tracking accuracy.

First Page

415

Last Page

422

CLC

TP391.9

Recommended Citation

Ma Yun, Wang Yuan, Li Meng, et al. Robust Predictive Control of Nonplanar Fully-actuated UAVs[J]. Journal of System Simulation, 2024, 36(2): 415-422.

Corresponding Author

Wang Yuan

DOI

10.16182/j.issn1004731x.joss.23-0143

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